Home / 249,269.76-373,420.80-221,345.28

Finding the Fourth Proportional to 249,269.76, 373,420.80 and 221,345.28

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Solution

The fourth proportional to 249,269.76, 373,420.80 and 221,345.28 is: 331,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,269.76 : 373,420.80 = 221,345.28 : x
  2. Step 2: Convert to fraction form
    249,269.76/373,420.80 = 221,345.28/x
  3. Step 3: Cross multiply
    249,269.76x = 373,420.80 × 221,345.28
  4. Step 4: Simplify right side
    249,269.76x = 82,654,931,533.82
  5. Step 5: Solve for x
    x = 82,654,931,533.82/249,269.76
  6. Step 6: Final answer
    x = 331,588.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.